In a world where an app alerts people if someone in the vicinity likes them, Kim Jojo experiences young love while coping with personal adversities.
Cast:Kim So-hyun , Song Kang , Ga-ram Jung , Min-Si Go , Park Sung-Yeon , Song Seon-mi , Kim Shi Eun , Yi-yeong Shim , Yoon Na-moo , Tommy Arciniega , Jae-eung Lee , Hye-ran Ji , Ki Do-Hoon , Da-bin Bae , Seung-Ho Shin , Kim Young-pil , Jae Han Ryu , Kim Young-ok
Unlike her friends, Kim Jojo has more pressing things on her mind than dating. Upon returning from abroad, Hwang Sun Oh goes to see Lee Hye Yeong.
Sun Oh wants to know whether Hye Yeong has feelings for Jojo and tells him what he did. Jang Il Sik gets into a fight with Sun Oh and Hye Yeong.
Jojo confronts Sun Oh about the photos. As rumors spread at school, Jang Go gets mad at Jojo for lying. Il Sik confronts Jang Go about what she did.
Sun Oh asks Jojo about the school trip and realizes there's not much he can do for her. Il Sik tells Jang Go something she doesn't want to hear.
Jojo tells Sun Oh about her parents and makes a surprising suggestion. She later confronts Jang Go after overhearing something.
News of the tragedy hits the airwaves. Hye Yeong finds Jojo at the library and informs her that he plans to court her the old-fashioned way.
Jojo tries to put a shield around herself and tells Hye Yeong she doesn't need his help, but he offers to take her somewhere special.
Jojo ponders what it means to like someone and realizes a shield may not be necessary. Sun Oh wants to know whether she still has feelings for him.